What is the equation of the circle with center (5, -4) and radius 4?
A) (x – 5)2 + (y + 4)2 = 4
B) (x + 5)2 + (y – 4)2 = 4
C) (x – 5)2 + (y + 4)2 = 16
D) (x + 5)2 + (y – 4)2 = 16